基于CentOS的OpenStack的all-in-one解决方案

查看本地网络信息

ipconfig /all

无线局域网适配器 WLAN:

连接特定的 DNS 后缀 . . . . . . . :
描述. . . . . . . . . . . . . . . : Qualcomm Atheros QCA9377 Wireless Network Adapter
物理地址. . . . . . . . . . . . . : F8-A2-D6-DD-EF-87
DHCP 已启用 . . . . . . . . . . . : 是
自动配置已启用. . . . . . . . . . : 是
本地链接 IPv6 地址. . . . . . . . : fe80::b4ff:13e9:7436:43c7%17(首选)
IPv4 地址 . . . . . . . . . . . . : 192.168.12.42(首选)
子网掩码 . . . . . . . . . . . . : 255.255.255.0
获得租约的时间 . . . . . . . . . : 2020年7月28日 11:50:33
租约过期的时间 . . . . . . . . . : 2020年8月7日 11:50:32
默认网关. . . . . . . . . . . . . : 192.168.12.1
DHCP 服务器 . . . . . . . . . . . : 192.168.12.1
DHCPv6 IAID . . . . . . . . . . . : 133735126
DHCPv6 客户端 DUID . . . . . . . : 00-01-00-01-25-66-B6-A1-E8-6A-64-77-88-2E
DNS 服务器 . . . . . . . . . . . : 192.168.111.2
TCPIP 上的 NetBIOS . . . . . . . : 已启用

修改网卡信息

vim /etc/sysconfig/network-scripts/ifcfg-ens33

TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.12.81
PREFIX=24
GATEWAY=192.168.12.1
DNS1=192.168.111.2

安装net-tools

yum install net-tools

查看当前的网络和系统信息

ifconfig

ens33: flags=4163 mtu 1500
inet 192.168.12.81 netmask 255.255.255.0 broadcast 192.168.12.255
inet6 fe80::9553:5536:f45:18c6 prefixlen 64 scopeid 0x20
ether 00:0c:29:4c:80:99 txqueuelen 1000 (Ethernet)
RX packets 9389 bytes 10903212 (10.3 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 3304 bytes 231962 (226.5 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73 mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1000 (Local Loopback)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

使用root用户更新系统

yum update

重启服务器

shutdown -r now

修改hostname（可选）
    如果后续需要将all-in-one扩展成多节点时，配置节点间通信，都会用到这个hostname。并且all-in-one的机器节点将会作为多节点中的controller节点，这里我们将hostname更改为controller。

hostnamectl set-hostname controller

安装vim

yum install vim

修改hosts

vim /etc/hosts

#127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
#::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
127.0.0.1 controller
::1 controller

注销用户并重新登录

logout

安装RDO库

# yum repository
yum install https://www.rdoproject.org/repos/rdo-release.rpm

安装packstack（自动化的OpenStack安装程序）

yum install openstack-packstack

关掉NetworkManager并disable掉（防止这个服务更改我们的网络配置）

systemctl stop NetworkManager
systemctl disable NetworkManager

关掉SELinux

vim /etc/selinux/config

# SELINUX=enforcing
SELINUX=disabled

关掉firewall

systemctl stop firewalld && systemctl disable firewalld

安装并升级pip3

yum -y install python3-pip

pip3 install --upgrade pip

一路回车，最后yes。 通过这个源安装很慢，安装过程中如果出现yum下载失败，重新执行packstack –allinone就行。

packstack –allinone

认证服务（出现~(keystone_admin)为验证成功）

source keystonerc_admin

查看账号密码

cat keystonerc_admin
unset OS_SERVICE_TOKEN
export OS_USERNAME=admin
export OS_PASSWORD=‘966314853b644a9d’
export OS_REGION_NAME=RegionOne
export OS_AUTH_URL=http://192.168.12.81:5000/v3
export PS1=’[\u@\h \W(keystone_admin)]$ ’

export OS_PROJECT_NAME=admin
export OS_USER_DOMAIN_NAME=Default
export OS_PROJECT_DOMAIN_NAME=Default
export OS_IDENTITY_API_VERSION=3

export OS_USERNAME（账号）=admin

export OS_PASSWORD（密码）=’******************’

export OS_AUTH_URL（登录网址）=http://192.168.12.81/dashboard/auth/login/?next=/dashboard/

查看网卡信息

ifconfig

br-ex: flags=4163 mtu 1500
inet 172.24.4.1 netmask 255.255.255.0 broadcast 0.0.0.0
inet6 fe80::f4da:87ff:fe1a:c141 prefixlen 64 scopeid 0x20
ether f6:da:87:1a:c1:41 txqueuelen 1000 (Ethernet)
RX packets 5 bytes 140 (140.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 8 bytes 656 (656.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

ens33: flags=4163 mtu 1500
inet 192.168.12.81 netmask 255.255.255.0 broadcast 192.168.12.255
inet6 fe80::20c:29ff:fe4c:8099 prefixlen 64 scopeid 0x20
ether 00:0c:29:4c:80:99 txqueuelen 1000 (Ethernet)
RX packets 346100 bytes 407630230 (388.7 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 128990 bytes 10885257 (10.3 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73 mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1000 (Local Loopback)
RX packets 576888 bytes 85788392 (81.8 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 576888 bytes 85788392 (81.8 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

备份ifcfg-ens33

cp /etc/sysconfig/network-scripts/ifcfg-ens33 /root/ifcfg-ens33.bak

创建br-ex的网络接口文件，并修改ifcfg-ens33和ifcfg-br-ex
生成br-ex的网卡配置文件

cp /etc/sysconfig/network-scripts/ifcfg-ens33 /etc/sysconfig/network-scripts/ifcfg-br-ex

修改ifcfg-ens160的内容为：

vim /etc/sysconfig/network-scripts/ifcfg-ens33

DEVICE=ens33
ONBOOT=yes
DEVICETYPE=ovs
TYPE=OVSPort
OVS_BRIDGE=br-ex

修改ifcfg-br-ex的内容为：
原始复制生成的ifcfg-br-ex内容为：

TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.12.81
PREFIX=24
GATEWAY=192.168.12.1
DNS1=192.168.111.2

现在修改为：

OTPROTO=none
DEFROUTE=yes
NAME=br-ex
DEVICE=br-ex
ONBOOT=yes
PREFIX=24
PEERDNS=no
NM_CONTROLLED=no
IPADDR=192.168.12.81
GATEWAY=192.168.12.1
DNS1=192.168.111.2

将ens33接入br-ex，并重启操作系统Network服务

ovs-vsctl add-port br-ex ens160
systemctl restart network

查看网络信息

ifconfig

br-ex: flags=4163 mtu 1500
inet 192.168.12.81 netmask 255.255.255.0 broadcast 192.168.12.255
inet6 fe80::f4da:87ff:fe1a:c141 prefixlen 64 scopeid 0x20
ether 00:0c:29:4c:80:99 txqueuelen 1000 (Ethernet)
RX packets 15515 bytes 1375491 (1.3 MiB)
RX errors 0 dropped 11 overruns 0 frame 0
TX packets 88 bytes 8670 (8.4 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

ens33: flags=4163 mtu 1500
inet6 fe80::20c:29ff:fe4c:8099 prefixlen 64 scopeid 0x20
ether 00:0c:29:4c:80:99 txqueuelen 1000 (Ethernet)
RX packets 430177 bytes 417788322 (398.4 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 130599 bytes 11073192 (10.5 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73 mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1000 (Local Loopback)
RX packets 2014440 bytes 229555677 (218.9 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2014440 bytes 229555677 (218.9 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

Br-ex获取了外网IP，使用命令可以看到ens33现在是作为一个port attached到了br-ex

ovs-vsctl show

f95539df-eb6a-4ab2-b677-fd41d6ac46a5
Manager “ptcp:6640:127.0.0.1”
is_connected: true
Bridge br-ex
Port br-ex
Interface br-ex
type: internal
Port “patch-provnet-dbecd2ee-eb5f-4ab2-aef8-e92074644c4b-to-br-int”
Interface “patch-provnet-dbecd2ee-eb5f-4ab2-aef8-e92074644c4b-to-br-int”
type: patch
options: {peer=“patch-br-int-to-provnet-dbecd2ee-eb5f-4ab2-aef8-e92074644c4b”}
Port “ens33”
Interface “ens33”
Bridge br-int
fail_mode: secure
Port “patch-br-int-to-provnet-dbecd2ee-eb5f-4ab2-aef8-e92074644c4b”
Interface “patch-br-int-to-provnet-dbecd2ee-eb5f-4ab2-aef8-e92074644c4b”
type: patch
options: {peer=“patch-provnet-dbecd2ee-eb5f-4ab2-aef8-e92074644c4b-to-br-int”}
Port br-int
Interface br-int
type: internal
ovs_version: “2.12.0”

首先引入环境变量设置：

source /root/keystonerc_admin

nova service-list

neutron agent-list

使用OpenStack来launch一个实例

后续操作可参考https://blog.csdn.net/songqier/article/details/78729567

参考资料

https://blog.csdn.net/songqier/article/details/78709002

https://blog.51cto.com/yancyliu/1912141

https://www.cnblogs.com/lizhewei/p/11511845.html

https://blog.csdn.net/songqier/article/details/78729567